Quarterly report pursuant to Section 13 or 15(d)

Financial Instruments - Narrative (Details)

v3.21.1
Financial Instruments - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 27, 2021
Mar. 28, 2020
Dec. 26, 2020
Other Fair Value Disclosure [Line Items]      
Short-term investments $ 1,353   $ 695
Impairment of investment 8 $ 0  
Commercial paper      
Other Fair Value Disclosure [Line Items]      
Short-term investments 1,003   295
Commercial paper | Level 2      
Other Fair Value Disclosure [Line Items]      
Short-term investments 1,000   295
Mutual Fund | Level 1      
Other Fair Value Disclosure [Line Items]      
Other assets $ 59   $ 46